or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between Sudoku number entry mode and a shading mode to manage the shape inventory.)
This is a “Franken-Friday” puzzle variation.
Theme: Squares of Squares (a pattern slightly reminiscent of last Friday‘s puzzle)
Rules: Standard Shape Sudoku rules.
Answer String: Enter the 5th row from left to right, followed by a comma, followed by the 5th column from top to bottom.
Time Standards (highlight to view): Grandmaster = 5:15, Master = 7:30, Expert = 15:00